Tax Series
6.3#5 in corporate tax softwareWebAPI
VisitTax Series vs TaxCalc
What both publish
| Fact | Tax Series | TaxCalc |
|---|---|---|
| Founded | 2000 | 1983 |
| Headquarters | Haworth, New Jersey, United States | Wokingham, England, UK |
| Integrations | Tax Series Web Services can transfer data bi-directionally between Tax Series and client systems, validate data, and trigger calculations. | Accounts Production imports year-end trial balances from Xero, QuickBooks or FreeAgent and can export journals and adjustments back. |
| Intended users | The company says Tax Series is suited to medium and large multinational corporate clients with complex global structures. | TaxCalc says its products serve accountancy practices, in-house finance teams, sole traders and individuals across the UK. |
| Product | Tax Series is web-native corporate tax software for corporate income tax processes. | TaxCalc is a UK accounting software platform covering compliance, client management, tax and practice operations. |
| Support | Each client is assigned a dedicated support representative reachable by phone or email, and the company describes its support as proactive. | The company says every licence includes unlimited UK-based support from accountancy-trained specialists by phone and email, Monday to Friday. |
Tax Series plans
- Tax SeriesPriced on request
TaxCalc plans
- TaxCalc 2026 Individual 6£42 a year
- Engager Practice Management — up to 5 clients£9 a month
- Self Assessment tax software£42, paid once
- Accounts Production 12£164 a year
- Individual 12£187 a year
Pick Tax Series if…
It suits medium and large multinational corporations and U.S. corporate taxpayers managing corporate income tax processes. Teams looking to connect data collection, compliance, provision, and related tax work may also find its shared database relevant.
Pick TaxCalc if…
TaxCalc may suit UK accountancy practices, in-house finance teams, sole traders and individuals preparing returns or statutory accounts. Its product range includes support for self-employment and investment income.